That will give you good power given a good enough valve, one problem though is the use of ABS for the chambers. It's fine for the barrel, but unless you're going to stick to pressures below 50 psi it's highly recommended you go for pressure rated PVC.

jackssmirkingrevenge wrote:That will give you good power given a good enough valve, one problem though is the use of ABS for the chambers. It's fine for the barrel, but unless you're going to stick to pressures below 50 psi it's highly recommended you go for pressure rated PVC.